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Mostrando ítems 389-408 de 84277

A 100% waste-based alkali-activated material by using olive-stone biomass ash (OBA) and blast furnace slag (BFS)

Font-Pérez, Alba; Soriano Martínez, Lourdes; Moraes, J.C.B; Tashima, M.M.; Monzó Balbuena, José Mª; Borrachero Rosado, María Victoria; Paya Bernabeu, Jorge Juan (Elsevier, 2017)

[EN] This study presents the use of olive-stone biomass ash (OBA) as an alkali source in alkali-activated materials (AAM) based on blast furnace slag (BFS). The OBA was physically and chemically characterized. It presented ...
A 3-PRS parallel manipulator for ankle rehabilitation: towards a low-cost robotic rehabilitation

Vallés Miquel, Marina; Cazalilla, J.; Valera Fernández, Ángel; Mata Amela, Vicente; Page Del Pozo, Alvaro Felipe; Díaz Rodríguez, Miguel Ángel (Cambridge University Press, 2015-03-13)

This paper presents the design, kinematics, dynamics and control of a low-cost parallel rehabilitation robot developed at the Universitat Polit`ecnica de Valencia. Several position and force controllers have been tested ...
A 3D absolute nodal coordinate finite element model to compute the initial configuration of a railway catenary

Tur Valiente, Manuel; García, E.; Baeza González, Luis Miguel; Fuenmayor Fernández, Francisco Javier (Elsevier, 2014-07-15)

In this paper we propose a method of finding the initial equilibrium configuration of cable structures discretized by finite elements applied to the shape-finding of the railway overhead system. Absolute nodal coordinate ...
A 3D finite element model for predicting the fire behavior of hollow-core slabs

Aguado, J.V.; Albero Gabarda, Vicente; Espinós Capilla, Ana; Hospitaler Pérez, Antonio; Romero, Manuel L. (Elsevier, 2016-02-01)

Servicios adicionales en SFX(opens in a new window)|View at Publisher| Export | Download | Add to List | More... Engineering Structures Volume 108, February 01, 2016, Pages 12-27 A 3D finite element model for ...
A 3D Smith Chart based on the Riemann Sphere for Active and Passive Microwave Circuits

Muller, Andrei A.; Soto Pacheco, Pablo; Dascalu, Dan; Neculoiu, Dan; Boria Esbert, Vicente Enrique (Institute of Electrical and Electronics Engineers (IEEE), 2011-06)

This letter proposes a spherical 3-D Smith Chart suitable for representing both active and passive microwave circuits. Using the mathematical concept of the Riemann sphere, the extended reflection coefficient plane is ...
A 630 Mbps non-binary decoder for FPGA

Lacruz Jucht, Jesús Omar; García Herrero, Francisco Miguel; Canet Subiela, Mª José; Valls Coquillat, Javier; Pérez Pascual, Mª Asunción (IEEE, 2015-07)

A high-speed non-binary LDPC decoder based on Trellis Min-Max algorithm with layered schedule is presented. The proposed approach compresses the check-node output messages into a reduced set, decreasing the number of ...
A Abstracción da estrutura [cuatro películas de Ken Jacobs]

Pagán, Alberte (Ateneo da Coruña, 1998-11)
A actividade do CGAI

Coira, Xosé (Ateneo da Coruña, 1991-12)
A B2B Architecture and Protocol for Researchers Cooperation

Lloret, Jaime; Tomás Gironés, Jesús; García Pineda, Miguel; Lacuesta Contreras, Raquel (World Scientific Publishing, 2013-06)

Some works on the researchers cooperation's literature provide the key lines for building research networks and propose new protocols and standards for business to business (B2B) data exchange, but none of them explains ...
A batteryless temperature sensor based on high temperature sensitive material

Bakkali, Asma; Pelegrí Sebastiá, José; Laghmich, Youssef; Lyhyaoui, Abdelouahid (EDP Sciences, 2016-05)

The major challenge in wireless sensor networks is the reduction of energy consumption. Passive wireless sensor network is an attractive solution for measuring physical parameters in harsh environment for large range ...
A bayesian direction-of-arrival model for an undetermined number of sources using a two-microphone array

Escolano Carrasco, José; Xiang, Ning; Pérez-Lorenzo, José M.; Cobos Serrano, Máximo; López Monfort, José Javier (Acoustical Society of America, 2014-02)

Sound source localization using a two-microphone array is an active area of research, with considerable potential for use with video conferencing, mobile devices, and robotics. Based on the observed time-differences of ...
A Bayesian inference model for speech localization (L)

Escolano Carrasco, José; Pérez Lorenzo, José Manuel; Xiang, Ning; Cobos Serrano, Máximo; López Monfort, José Javier (Acoustical Society of America, 2012-09)

The localization of active speakers with microphone arrays is an active research line with a considerable interest in many acoustic areas. Many algorithms for source localization are based on the computation of the Generalized ...
A better framework for first countable spaces

Preuss, Gerhard (Universitat Politècnica de València, 2003-10-01)

[EN] In the realm of semiuniform convergence spaces first countability is divisible and leads to a well-behaved topological construct with natural function spaces and one-point extensions such that countable products of ...
A bHLH-Based Feedback Loop Restricts Vascular Cell Proliferation in Plants

Vera Sirera, Francisco José; De Rybel, B; Urbez Lagunas, Cristina; Kouklas, E; Pesquera, M; Álvarez Mahecha, Juan Camilo; Minguet, E.G.; Tuominen, H; Carbonell Gisbert, Juan; Borst, JW; Weijers, D; Blazquez Rodriguez, Miguel Angel (Elsevier (Cell Press), 2015-11-23)

Control of tissue dimensions in multicellular organisms requires the precise quantitative regulation of mitotic activity. In plants, where cells are immobile, tissue size is achieved through control of both cell division ...
A bias correction method for fast fuel-to-air ratio estimation in diesel engines

Guardiola, Carlos; Plá Moreno, Benjamín; Blanco-Rodriguez, David; Mazer, Alexandre; Hayat, Olivier (SAGE Publications (UK and US), 2013-08)

l probes in turbocharged diesel engines are usually located downstream of the turbine, exhibiting a good dynamic response but a significant delay because of the exhaust line transport and the hardware itself. With the ...
A bibliometric overview of the Journal of Business Research

Merigó, José; Mas-Tur, Alicia; Roig-Tierno, Norat; Ribeiro-Soriano, Domingo (Editorial Universitat Politècnica de València, 2016-10-10)

[EN] The Journal of Business Research is a leading international journal in business research dating back to 1973. This study analyzes all the publications in the journal since its creation by using a bibliometric approach. ...
A Bidirectional Recurrent Neural Language Model for Machine Translation

Peris Abril, Álvaro; Casacuberta Nolla, Francisco (Sociedad Española para el Procesamiento del Lenguaje Natural (SEPLN), 2015-09)

[EN] A language model based in continuous representations of words is presented, which has been applied to a statistical machine translation task. This model is implemented by means of a bidirectional recurrent neural ...
A Bifunctional Mechanism for Ethene Dimerization: Catalysis by Rhodium Complexes on Zeolite HY in the Absence of Halides

Serna Merino, Pedro Manuel; Gates, B. C. (Wiley-VCH Verlag, 2011-04-29)

[EN] No ligands needed: Rhodium complexes supported on HY zeolite catalyze the formation of C[BOND]C bonds by a new mechanism involving cooperation between the metal species and Brønsted acid sites of the zeolite support ...
A bifunctional palladium-acid solid catalyst performs the direct synthesis of cyclohexylanilines and dicyclohexylamines from nitrobenzenes

Rubio Marqués, Paula; Leyva Perez, Antonio; Corma Canós, Avelino (Royal Society of Chemistry, 2013)

[EN] Nitroderivatives are transformed to cyclohexylanilines at room temperature in good yields and selectivity via a hydrogenation-amine coupling cascade reaction using Pd nanoparticles on carbon as a catalyst and a Bronsted acid.
A binder from alkali activation of FCC waste: use in roof tiles fabrication

Mas, María Antonia; Mitsuuchi Tashima, Mauro; Paya Bernabeu, Jorge Juan; Borrachero Rosado, María Victoria; Soriano Martínez, Lourdes; Monzó Balbuena, José Mª (Trans Tech Publications, 2016)

Nowadays, scientific community is looking for alternatives to reduce the problem of CO2 emissions, making more sustainable binders and reusing wastes from other industries. In this line, the technology of geopolymers was ...